nstrstr
if (((ptr1 = nstrstr(p->start, PS_BEGIN_GLOBAL, bptr))
ptr1 = nstrstr(ptr1, PS_END_GLOBAL, bptr);
if (start = nstrstr(document->start, PS_PAGE,
start = nstrstr(document->start, PS_PAGE, bptr);
for (ptr1 = nstrstr(start, PS_BEGIN_GLOBAL, bptr); ptr1 != NULL;
ptr1 = nstrstr(++ptr1, PS_BEGIN_GLOBAL, bptr)) {
if ((global_end = nstrstr(++ptr1, PS_END_GLOBAL, bptr))
for (ptr1 = nstrstr(document->start, PS_PAGE, bptr); ptr1 != NULL;
ptr1 = nstrstr(++ptr1, PS_PAGE, bptr)) {
if ((page_end = nstrstr(++ptr1, PS_PAGE, bptr)) == NULL)